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‘Yet conservation of this heritage is a century behind terrestrial archaeology, and as public fascination with it increases, so do the threats.’

‘The City wants to strengthen the preservation and conservation of cultural heritage collections and built assets, he says.’

‘One of the hard tasks to be done involves historical conservation to retain, preserve and enhance Shanghai's local culture.’

‘The availability of grants in contributing towards the repairs and conservation of historic buildings has been very significant.’

‘That is in keeping with its purpose to promote the identification, protection, preservation, and conservation of historical and cultural heritage in New Zealand.’

‘Collections care will be vastly improved and the plans include a conservation suite on site that will provide faster and safer repair and conservation for heritage items.’

‘The government also faces difficulty in financing the conservation of cultural sites and keeping their contents safe from theft and smuggling, he said.’

‘As a member of the National Council of Monuments of Culture, he has over thirty years of experience in conservation of historical monuments and buildings.’

‘Their plans feature conservation of the archaeological remains such as the blast furnace complex.’

‘She said it was a very significant project as there was a growing global concern on the issue concerning conservation of cultural heritage on living sacred sites.’

‘With projects ranging from country houses in Ireland to the Great Wall of China, the World Monuments Fund has been a pioneer in the conservation of historic sites since its foundations in New York forty years ago.’

2Physics The principle by which the total value of a physical quantity or parameter (such as energy, mass, linear or angular momentum) remains constant in a system which is not subject to external influence.

‘Because of conservation of angular momentum, the globes will resist any change in their orientation.’

‘This is typical of a tunneling transition, which is forbidden by energy conservation in classical physics and hence has no expansion around a classical limit.’

‘Early models of the atom treated the atom as a solar system and used the idea of angular momentum conservation to explain its stability.’

‘An easy experiment is to reduce the cross section of a pipe in one region, making a so-called diffuser that produces large local flow velocities due to mass flux conservation.’

‘In the nineteen twenties various experiments revealed what appeared to be a violation of the principle of energy conservation at the atomic level.’

Origin

Late Middle English: from Latin conservatio(n-), from the verb conservare (see conserve).